[INFO] cloning repository https://github.com/0x4leaves/typthon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0x4leaves/typthon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x4leaves%2Ftypthon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x4leaves%2Ftypthon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e04246353300ef122f5dc8fe23b5c3cf3a37dc6
[INFO] checking 0x4leaves/typthon against master#a2db9280539229a3b8a084a09886670a57bc7e9c for pr-147185
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x4leaves%2Ftypthon" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0x4leaves/typthon
[INFO] finished tweaking git repo https://github.com/0x4leaves/typthon
[INFO] tweaked toml for git repo https://github.com/0x4leaves/typthon written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0x4leaves/typthon on toolchain a2db9280539229a3b8a084a09886670a57bc7e9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0x4leaves/typthon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f410120fabbbf02aaf855dc0d49ab86864fd1173df2e966f6f534e2435bbea9
[INFO] running `Command { std: "docker" "start" "-a" "2f410120fabbbf02aaf855dc0d49ab86864fd1173df2e966f6f534e2435bbea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f410120fabbbf02aaf855dc0d49ab86864fd1173df2e966f6f534e2435bbea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f410120fabbbf02aaf855dc0d49ab86864fd1173df2e966f6f534e2435bbea9", kill_on_drop: false }`
[INFO] [stdout] 2f410120fabbbf02aaf855dc0d49ab86864fd1173df2e966f6f534e2435bbea9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c37d26318b08988e941c58101213520b182e924d60743232c1f5019abad0b436
[INFO] running `Command { std: "docker" "start" "-a" "c37d26318b08988e941c58101213520b182e924d60743232c1f5019abad0b436", kill_on_drop: false }`
[INFO] [stderr]     Checking typthon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]  --> src/lib.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn compile(src: &str) -> Result<String> {
[INFO] [stdout]   |                ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Error {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 24 |     pub(crate) fn new(kind: ErrorKind) -> Error {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `LexError` and `ParseError` are never constructed
[INFO] [stdout]   --> src/error.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) enum ErrorKind {
[INFO] [stdout]    |                 --------- variants in this enum
[INFO] [stdout] 31 |     LexError {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     ParseError {
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `byte_offset` is never read
[INFO] [stdout]  --> src/lexer.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) struct Position {
[INFO] [stdout]   |                   -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub(crate) byte_offset: usize,
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Position` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]  --> src/lib.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn compile(src: &str) -> Result<String> {
[INFO] [stdout]   |                ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Error {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 24 |     pub(crate) fn new(kind: ErrorKind) -> Error {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `LexError` and `ParseError` are never constructed
[INFO] [stdout]   --> src/error.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) enum ErrorKind {
[INFO] [stdout]    |                 --------- variants in this enum
[INFO] [stdout] 31 |     LexError {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     ParseError {
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `byte_offset` is never read
[INFO] [stdout]  --> src/lexer.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) struct Position {
[INFO] [stdout]   |                   -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub(crate) byte_offset: usize,
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Position` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "c37d26318b08988e941c58101213520b182e924d60743232c1f5019abad0b436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37d26318b08988e941c58101213520b182e924d60743232c1f5019abad0b436", kill_on_drop: false }`
[INFO] [stdout] c37d26318b08988e941c58101213520b182e924d60743232c1f5019abad0b436
